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Ambarella
AMBA

Overview Fund Activity

301 hedge funds and large institutions have $2.32B invested in Ambarella in 2025 Q2 according to their latest regulatory filings, with 59 funds opening new positions, 107 increasing their positions, 104 reducing their positions, and 50 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
301
Holders Change
+7
Holders Change %
+2.38%
% of All Funds
4.04%
Holding in Top 10
6
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+50%
% of All Funds
0.08%
New
59
Increased
107
Reduced
104
Closed
50
Calls
$64.4M
Puts
$61.2M
Net Calls
+$3.15M
Net Calls Change
+$6.01M

Top Buyers

1
JCAM
Jericho Capital Asset Management
New York
$72.6M
2
Squarepoint
Squarepoint
New York
$36.8M
3
Balyasny Asset Management
Balyasny Asset Management
Illinois
$30.4M
4
Vanguard Group
Vanguard Group
Pennsylvania
$341M
5
Citadel Advisors
Citadel Advisors
Florida
$62.5M

Top Sellers

1
UBS AM
UBS AM
Illinois
$15.4M
2
Millennium Management
Millennium Management
New York
$4.23M
3
WP
Woodline Partners
California
$0
4
TC
Tairen Capital
Hong Kong
$9.65M
5
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
$29.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
AI
101
Atom Investors
Texas
$1.55M +$1.55M +23,533 New
IIM
102
INTECH Investment Management
Florida
$1.49M -$201K -3,043 -12%
Mackenzie Financial
103
Mackenzie Financial
Ontario, Canada
$1.46M +$963K +14,574 +192%
Primecap Management
104
Primecap Management
California
$1.45M -$225K -3,400 -13%
KBC Group
105
KBC Group
Belgium
$1.44M -$37.7K -571 -3%
Creative Planning
106
Creative Planning
Kansas
$1.42M +$336K +5,085 +31%
SSA
107
Schonfeld Strategic Advisors
New York
$1.42M -$2M -30,287 -59%
GCP
108
GSA Capital Partners
United Kingdom
$1.39M -$588K -8,896 -30%
BNP Paribas Financial Markets
109
BNP Paribas Financial Markets
France
$1.39M -$1.35M -20,379 -49%
CCM
110
Collar Capital Management
Wisconsin
$1.37M -$28.4K -430 -2%
KC
111
Katamaran Capital
United Kingdom
$1.36M +$1.36M +20,595 New
Thrivent Financial for Lutherans
112
Thrivent Financial for Lutherans
Minnesota
$1.33M -$90.4K -1,369 -6%
YIH
113
Y-Intercept (HK)
Hong Kong
$1.3M +$789K +11,941 +156%
Verition Fund Management
114
Verition Fund Management
Connecticut
$1.28M -$509K -7,709 -28%
MP
115
McDonald Partners
Ohio
$1.27M -$13.2K -200 -1%
Stifel Financial
116
Stifel Financial
Missouri
$1.22M +$281K +4,249 +30%
Pathstone Holdings
117
Pathstone Holdings
New Jersey
$1.21M -$52.5K -794 -4%
Janus Henderson Group
118
Janus Henderson Group
United Kingdom
$1.18M -$972K -14,709 -45%
LPL Financial
119
LPL Financial
California
$1.16M +$309K +4,684 +36%
VanEck Associates
120
VanEck Associates
New York
$1.14M +$188K +2,848 +20%
LTAS
121
Linden Thomas Advisory Services
North Carolina
$1.13M -$13.4K -203 -1%
SC
122
Savant Capital
Illinois
$1.12M +$1.12M +17,020 New
EP
123
Edgestream Partners
New Jersey
$1.09M -$1.28M -19,437 -54%
GI
124
GAMCO Investors
Connecticut
$1.07M -$143K -2,172 -12%
SO
125
STRS Ohio
Ohio
$998K -$13.2K -200 -1%
3 4
5
6 7